Question

Pollen allergy is caused by pollen of

Answer 1

Most of the pollens that cause allergic reactions come from trees, weeds and grasses. These plants make small, light and dry pollen grains that travel by the wind. Grasses are the most common cause of allergy. Ragweed is a main cause of weed allergies.

Answer 2

Answer:

Pollen allergy is caused by the pollen of flowers, grasses, ragweeds, and trees.

Explanation:

Pollen is a very fine powder produced by trees, flowers, grasses, and weeds to fertilize other plants of the same species. Many people have an adverse immune response when they breathe in pollen.